Canon imageRUNNER ADVANCE C255 Series, Service Manual, Page: 454 / 987

E674-0002-07 Fax Board communication error
Detection Description An error was detected for the specified number of times in communication with the Fax Board.
Remedy
[Related parts] R1.00
- Harness between the Fax Board and the Main Controller PCB
- Fax Board
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
E674-0004-07 Fax Board communication error
Detection Description A communication error occurred when accessing the modem IC used for fax.
Remedy [Related parts] R1.00
- Harness between the Fax Board and the Main Controller PCB
- Fax Board
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
E674-0008-07 Fax Board communication error
Detection Description A communication error occurred when accessing the port IC used for fax.
Remedy [Related parts] R1.00
- Harness between the Fax Board and the Main Controller PCB
- Fax Board
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
E674-0010-07 Fax Board communication error
Detection Description A communication error occurred when opening the Timer Device used for fax.
Remedy Check/replace the Main Controller PCB
E674-0011-07 Fax Board communication error
Detection Description A communication error occurred when starting the Timer Device used for fax.
Remedy Check/replace the Main Controller PCB
E674-0020-07 Fax Board communication error
Detection Description An error occurred in the modem IC used for fax.
Remedy [Related parts] R1.00
- Harness between the Fax Board and the Main Controller PCB
- Fax Board
- Main Controller PCB
[Remedy] Check/replace the related harness/cable, connector and parts.
E674-0021-07 Fax Board communication error
Detection Description A Fax Board for non-supported modem has been connected.
Remedy Replace it with a genuine Fax Board (for 1-line or 2-line).
E674-0030-07 Fax Board communication error
Detection Description Check sum error
Remedy
System software download for 2 line FAX
E674-0100-07 Fax Board communication error
Detection Description After completion of fax communication, writing of the communication information (log) failed, and
the log could not be read.
Remedy Turn OFF and then ON the main power.
[CAUTION] The previous communication information (log) will be cleared by turning OFF and then
ON the main power.
E674-0300-07 Fax configuration error
Detection Description It was detected that there was a Fax Board for multiple lines installed while the IP Fax license was
enabled.
Remedy - Remove the Fax Board for multiple lines to use the machine as an IP Fax model.
- Uninstall the IP Fax license to use the machine as a G3 Fax model.
7. Error/Jam/Alarm
443